# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-03-28 05:37:11 EDT # # ---------------------------------- WARNING ---------------------------------------- # Some of the data that you have obtained from this U.S. Geological Survey database # may not have received Director's approval. Any such data values are qualified # as provisional and are subject to revision. Provisional data are released on the # condition that neither the USGS nor the United States Government may be held liable # for any damages resulting from its use. # # More data may be available offline. # For more information on these data, contact Idaho Water Data Inquiries. # This file contains the annual peak streamflow data. # # This information includes the following fields: # # agency_cd Agency Code # site_no USGS station number # peak_dt Date of peak streamflow (format YYYY-MM-DD) # peak_tm Time of peak streamflow (24 hour format, 00:00 - 23:59) # peak_va Annual peak streamflow value in cfs # peak_cd Peak Discharge-Qualification codes (see explanation below) # gage_ht Gage height for the associated peak streamflow in feet # gage_ht_cd Gage height qualification codes # year_last_pk Peak streamflow reported is the highest since this year # ag_dt Date of maximum gage-height for water year (if not concurrent with peak) # ag_tm Time of maximum gage-height for water year (if not concurrent with peak # ag_gage_ht maximum Gage height for water year in feet (if not concurrent with peak # ag_gage_ht_cd maximum Gage height code # # Sites in this file include: # USGS 12419000 Spokane River near Post Falls, ID # # Peak Streamflow-Qualification Codes(peak_cd): # 1 ... Discharge is a Maximum Daily Average # 2 ... Discharge is an Estimate # 3 ... Discharge affected by Dam Failure # 4 ... Discharge less than indicated value, # which is Minimum Recordable Discharge at this site # 5 ... Discharge affected to unknown degree by # Regulation or Diversion # 6 ... Discharge affected by Regulation or Diversion # 7 ... Discharge is an Historic Peak # 8 ... Discharge actually greater than indicated value # 9 ... Discharge due to Snowmelt, Hurricane, # Ice-Jam or Debris Dam breakup # A ... Year of occurrence is unknown or not exact # Bd ... Day of occurrence is unknown or not exact # Bm ... Month of occurrence is unknown or not exact # C ... All or part of the record affected by Urbanization, # Mining, Agricultural changes, Channelization, or other # F ... Peak supplied by another agency # O ... Opportunistic value not from systematic data collection # R ... Revised # # Gage height qualification codes(gage_ht_cd,ag_gage_ht_cd): # 1 ... Gage height affected by backwater # 2 ... Gage height not the maximum for the year # 3 ... Gage height at different site and(or) datum # 4 ... Gage height below minimum recordable elevation # 5 ... Gage height is an estimate # 6 ... Gage datum changed during this year # 7 ... Debris, mud, or hyper-concentrated flow # 8 ... Gage height tidally affected # Bd ... Day of occurrence is unknown or not exact # Bm ... Month of occurrence is unknown or not exact # F ... Peak supplied by another agency # R ... Revised # # agency_cd site_no peak_dt peak_tm peak_va peak_cd gage_ht gage_ht_cd year_last_pk ag_dt ag_tm ag_gage_ht ag_gage_ht_cd 5s 15s 10d 6s 8s 33s 8s 27s 4s 10d 6s 8s 27s USGS 12419000 1913-05-30 31500 1,6 77.82 3 USGS 12419000 1914-04-19 20600 1,6 74.80 3 USGS 12419000 1915-04-21 12000 6 72.32 3 USGS 12419000 1916-05-09 27900 1,6 76.73 3 USGS 12419000 1917-05-18 39800 1,6 79.23 3 USGS 12419000 1918-01-03 39200 1,6 79.12 3 USGS 12419000 1919-05-02 25800 1,6 76.00 3 USGS 12419000 1920-05-17 19400 1,6 74.25 3 USGS 12419000 1921-05-21 25900 6 74.32 3 USGS 12419000 1922-05-22 24900 1,6 74.12 3 USGS 12419000 1923-05-13 21400 6 73.35 3 USGS 12419000 1924-05-17 17500 6 72.52 3 USGS 12419000 1925-04-19 30600 1,6 75.22 3 USGS 12419000 1926-04-29 15800 6 72.13 3 USGS 12419000 1927-05-03 27900 1,6 74.68 3 USGS 12419000 1928-05-14 26300 1,6 74.45 3 USGS 12419000 1929-05-23 14400 6 71.75 3 USGS 12419000 1930-03-30 13200 6 71.53 3 USGS 12419000 1931-04-14 15600 1,6 72.13 3 USGS 12419000 1932-05-15 32400 1,6 75.72 3 USGS 12419000 1933-05-01 28900 1,6 74.93 3 USGS 12419000 1933-12-25 50100 2,6 USGS 12419000 1935-05-09 25500 1,6 75.47 3 USGS 12419000 1936-04-26 35400 1,6 77.81 3 USGS 12419000 1937-05-08 23100 1,6 75.00 3 USGS 12419000 1938-04-22 33500 1,6 77.39 3 USGS 12419000 1939-05-06 23200 1,6 75.00 3 USGS 12419000 1940-04-17 17500 6 73.57 3 USGS 12419000 1941-05-19 15200 1,6 USGS 12419000 1942-05-26 21600 6 74.57 3 USGS 12419000 1943-04-22 34900 6 77.68 3 USGS 12419000 1944-04-13 10000 6 71.30 3 USGS 12419000 1945-05-11 23700 6 75.22 3 USGS 12419000 1946-05-10 29400 6 76.53 3 USGS 12419000 1946-12-18 25700 6 75.68 3 USGS 12419000 1948-05-30 40300 6 78.98 3 USGS 12419000 1949-05-17 34300 6 77.64 3 USGS 12419000 1950-05-19 30700 6 71.96 3 USGS 12419000 1951-02-14 27400 6 70.68 3 USGS 12419000 1952-05-01 30800 6 71.86 3 USGS 12419000 1953-05-02 22000 6 68.48 3 USGS 12419000 1954-05-22 32000 6 71.89 3 USGS 12419000 1955-05-25 27500 6 70.40 3 USGS 12419000 1956-04-27 38600 6 73.85 3 USGS 12419000 1957-05-25 35000 6 72.80 3 USGS 12419000 1958-04-24 24800 6 69.47 3 USGS 12419000 1959-05-05 27000 6 69.96 3 USGS 12419000 1960-04-12 27100 6 70.04 3 USGS 12419000 1961-02-25 28000 6 70.33 3 USGS 12419000 1962-04-27 25200 6 69.40 3 USGS 12419000 1962-11-27 20200 6 67.70 3 USGS 12419000 1964-05-24 32000 6 71.66 3 USGS 12419000 1965-04-25 33400 6 22.13 USGS 12419000 1966-04-13 19700 6 17.52 USGS 12419000 1967-05-26 26900 6 19.98 USGS 12419000 1968-02-26 23700 6 18.89 USGS 12419000 1969-04-27 30300 6 21.09 USGS 12419000 1970-05-29 23800 6 18.93 USGS 12419000 1971-05-16 33500 6 22.11 USGS 12419000 1972-05-23 34000 6 22.22 USGS 12419000 1973-05-05 8600 6 12.58 USGS 12419000 1974-01-19 46200 6 25.66 USGS 12419000 1975-05-20 31600 6 21.45 USGS 12419000 1976-05-13 31200 6 21.39 USGS 12419000 1977-05-11 7630 6 12.02 USGS 12419000 1978-04-04 22700 6 18.58 USGS 12419000 1979-05-09 30600 6 21.43 USGS 12419000 1980-04-25 20900 6 18.20 USGS 12419000 1980-12-30 27300 6 20.32 USGS 12419000 1982-02-23 39700 6 23.53 USGS 12419000 1983-03-15 19400 6 17.64 USGS 12419000 1984-06-01 20400 6 18.03 USGS 12419000 1985-04-19 27600 6 20.32 USGS 12419000 1986-03-11 23800 6 19.04 USGS 12419000 1987-03-19 19700 6 17.28 USGS 12419000 1988-04-19 21000 6 17.77 USGS 12419000 1989-04-25 28300 6 20.24 USGS 12419000 1990-06-05 24600 6 19.02 USGS 12419000 1990-11-28 23600 6 18.69 USGS 12419000 1992-02-24 12400 6 14.31 USGS 12419000 1993-05-17 23000 6 18.56 USGS 12419000 1994-04-24 14900 6 15.38 USGS 12419000 1995-02-25 25000 6 19.24 USGS 12419000 1996-02-12 38000 1,6 USGS 12419000 1997-05-19 43900 6 24.92 USGS 12419000 1998-05-28 17700 6 16.58 USGS 12419000 1999-05-31 24100 6 18.93 USGS 12419000 2000-04-22 29300 6 20.67 USGS 12419000 2001-05-02 19100 6 17.12 USGS 12419000 2002-04-17 30500 1,6 USGS 12419000 2003-02-04 17800 1,6 USGS 12419000 2004-05-23 15700 6 15.76 USGS 12419000 2004-12-15 16800 6 16.21 USGS 12419000 2006-04-18 20600 6 17.59 USGS 12419000 2007-03-28 23100 6 18.36 USGS 12419000 2008-05-23 40100 6 23.72 USGS 12419000 2009-04-25 22300 6 18.04 USGS 12419000 2010-05-04 19100 6 16.87 USGS 12419000 2011-05-26 33200 6 21.60 USGS 12419000 2012-04-29 36400 6 22.33 USGS 12419000 2013-04-10 20100 6 17.26 USGS 12419000 2014-03-13 27600 6 19.77 USGS 12419000 2015-02-14 23800 6 18.54 USGS 12419000 2016-03-17 19100 16.90 USGS 12419000 2017-03-21 43100 6 24.09 USGS 12419000 2018-05-11 23:00 27800 6 19.83 USGS 12419000 2019-04-14 06:15 22200 6 17.96 USGS 12419000 2020-05-21 10:15 20300 6 17.27 USGS 12419000 2021-05-05 08:30 14400 6 15.05 USGS 12419000 2022-06-17 16:15 26500 6 19.36 USGS 12419000 2023-05-08 18:00 26100 6 19.24